BUILDING MANAGEMENT SYSTEMS


HE KEY TO SMART BUILDINGS


such as WLAN or DECT is ruled out since frequencies outside the 2 GHz frequency band used by these devices are employed. The range is up to 30 meters within buildings, even through walls, and can also be further improved using repeaters. Communication between devices is secured with a 128-bit AES encryption, and the use of rolling codes prevents unauthorised tampering.


WIRELESS, MAINTENANCE-FREE, SMART TECHNOLOGY Manufacturers worldwide have developed thousands of smart products based on battery- free EnOcean wireless technology, such as room thermostats, wireless window contacts, and solar- powered presence detectors. These products not only increase the energy efficiency of a building but also offer high flexibility since no wiring is required for installation. This reduces installation costs and enhances comfort, as the wireless switches can be placed anywhere desired. Another significant advantage is interoperability, as all EnOcean-based products can communicate with each other, irrespective of the manufacturer.


A BENEFICIAL SOLUTION By using battery-free wireless technologies, installation costs can be significantly reduced. It’s crucial to choose systems with open standards and flexible ecosystems to ensure future-proofing and avoid potential pitfalls of short-term cheaper alternatives. With the flexibility of these solutions and open interfaces, smart buildings can adapt to the unique needs of their tenants.


EnOcean www.enocean.com


“Products with battery-free wireless


technology harness the energy available in their immediate surroundings - a concept known as energy harvesting.


With the DC/DC converter ECT 310 Perpetuum,


battery-free radio modules can also use heat as a power source. In this process, heat – for example,


from warm machine parts, radiators, or the human body – is converted into electrical current


www.essmag.co.uk


Three main forms of energy harvesting have emerged in building automation: kinetic, solar and thermal energy”


Armin Anders ENERGY & SUSTAINABILITY SOLUTIONS - Winter 2023 37


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